CVE-2018-20712: GNU Binutils

Medium severity, CVSS 6.5. EPSS: 2.7% chance of exploitation in the next 30 days.

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

Affected products

• GNU Binutils: version 2.31.1 only

Published 2019-01-15. Last modified 2026-06-17.